The impetus mechanism to urbanization is an interrelated and interacted system, with industrialization being the essential motivating force.

城市化的动力机制是一个相互联系、相互作用的系统，它的根本动力是工业化。

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For the interacted system, two methods are given in order to judge the coupling degree of the multivariable system, such as relative gain method and Inverse Nyquist Array method.

对于关联系统给出了判断耦合程度的方法—相对增益法和逆乃奎斯特列阵法。

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In normal times, the ECB had interacted overwhelmingly with large banks, who would allow the liquidity to circulate freely through the system.

WSJ: ECB Chief Says Bank Helped Avert Disaster